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4334results about How to "Improve the effect of prevention and control" patented technology

Forest-fire-prevention digital informatization integration command system

InactiveCN105096508AImprove overall prevention and control capabilitiesImprove the level of comprehensive prevention and controlClimate change adaptationForest fire alarmsFire hazardSmoke
The invention relates to a forest-fire-prevention digital informatization integration command system. The system comprises a multi-parameter forest fire danger early warning and grading subsystem, a forest fire remote intelligence video monitoring and recognition subsystem, an information fusion communication subsystem, an aviation monitoring fire extinguishing subsystem, a command decision subsystem, an emergency disposal subsystem, a water fire extinguishing subsystem and a border fire prevention isolation strip subsystem, wherein the multi-parameter forest fire danger early warning and grading subsystem assesses forest fire hazard generation and spreading possibilities and a control complexity after the fire hazard is generated; the forest fire remote intelligence video monitoring and recognition subsystem discovers the fire hazard and determines a fire hazard position in 15s of fire or smoke generation and simultaneously carries out sound-light alarm; the aviation monitoring fire extinguishing subsystem carries out integrated and unified management on aviation forest fire monitoring and correlation part extinguishing; the command decision subsystem carries out fire-prevention information management, real-time monitoring, commanding and fighting, and prediction and forecasting, and analyzes and generates a fighting scheme, and carries out processing after a calamity; the border fire prevention isolation strip subsystem simulates through a fire hazard spreading expert analysis system and determines a fire prevention isolation strip position and a width according to a simulation result. By using the system of the invention, an overall situation can be controlled, air-land integration is realized and a whole forest fire hazard prevention and control ability is increased.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Settling, isolating and removing integrated dust prevention method of fully mechanized excavation face

ActiveCN102536236AInfluence motion trajectoryImprove governance effectSlitting machinesCoalWind flow
The invention relates to a settling, isolating and removing integrated dust prevention method of a fully mechanized excavation face, and is applicable to dust prevention and control of a coal mine underground fully mechanized excavation face. The method comprises the steps that: a foam generator is installed on a fully-mechanized roadheader, a pneumatic dedusting fan is arranged at one side of a laneway, and a wall attaching wind drum is installed at the front end of a pressed-in type wind drum; when the fully-mechanized roadheader works, the foam generator is operated to prepare foam, and the foam is sprayed by a spraying head to a dust source at the cutting part of the fully-mechanized roadheader so as to rapidly settle the dust; the axial air flow in the pressed-in type wind drum is changed by the wall attaching wind drum into a spiral type air flow and then sprayed, so as to prevent the air flow from directly blowing to the foam spraying region to influence the foam track; an air curtain dust isolating region is formed in front of the driver of the fully-mechanized roadheader, so as to effectively prevent dust from diffusing out; and the residual dust in the dust isolating region is removed by starting the pneumatic dedusting fan. According to the invention, foam dust settling, air curtain dust isolating and pneumatic fan dedusting are organically integrated, thus the dust prevention effect of the fully mechanized excavation face is significantly improved, the potential safety hazard brought by using of an electric dedusting fan is avoided, and the method has wide practicability.
Owner:CHINA UNIV OF MINING & TECH

Intelligent pesticide application unmanned helicopter

The invention provides an intelligent pesticide application unmanned helicopter and belongs to the technical field of agriculture. The unmanned helicopter comprises a helicopter body frame, wherein the helicopter body frame is provided with a rotary wing flight system and a undercarriage component which are controlled by a flight control main engine; the communication end of the flight control main engine is communicated with a global position system (GPS), the master control output end of the flight control main engine is connected with the controlled end of the rotary wing flight system and is used for sending a navigation control signal to the flight system according to a contemplated route and real-time position information transmitted from the GPS; the central part below the helicopter body frame is also provided with a pesticide application device consisting of a pesticide chest, a liquid pump, a spray beam and a spray nozzle; the liquid outlet of the pesticide chest is communicated with the spray beam with the spray nozzle through a liquid infusion pipeline and the liquid pump; the flight control main engine also comprises an auxiliary control output end; and the auxiliary control output end is connected with the controlled end of the liquid pump and is used for sending a pesticide application control signal to the liquid pump according to the preset pesticide application sites and the real-time position information transmitted from the GPS. The unmanned helicopter can realize automatic navigation flight and can automatically control the pesticide application operation.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

Sugarcane insecticide containing neonicotinoid insecticide

InactiveCN101999399AEliminate human and animal poisoningGood control effectBiocideAnimal repellantsWater dispersibleLivestock
The invention relates to a pesticide production and preparation technology, in particular to a sugarcane insecticide. The invention provides a sugarcane insecticide containing a neonicotinoid insecticide, which is prepared into granules or water dispersible granules by mixing the following components in percentage by weight: 0.1-10% of neonicotinoid insecticide, 0.2-15% of organophosphorus insecticide and the balance of assistants, wherein the neonicotinoid insecticide is one of or mixture of any two of thiamethoxam, imidacloprid and thiacloprid; and the organophosphorus insecticide is one or mixture of phoxim and diazinon. When the sugarcane insecticide of the invention is used for preventing and treating sugarcane pests, the sugarcane insecticide has contact poisoning and stomach poisoning functions, has a good systemic conduction function and has a good function of controlling underground and aboveground pests of sugarcane; the sugarcane insecticide which has broad-spectrum insecticidal effects has good effects on preventing and treating sugarcane borers, underground insects, thrips, woolly aphids and the like; the sugarcane insecticide which has a long lasting period can be applied once to effectively eliminate the harm of sugarcane borers in the seedling stage, underground insects, thrips and the like; and the sugarcane insecticide has smaller lethality to natural enemies. The sugarcane insecticide of the invention is used as an important substitute for highly toxic pesticides, has the advantages of low toxicity, high efficiency, safety to people and livestock and is environmental friendly.
Owner:GUANGZHOU SUGARCANE IND RES INST

Microecological preparation-tetragenous viable bacteria preparation and method for preparing same

This invention relates to a micro-ecological agent and the preparation method thereof, belonging to the micro-ecological agent technological field. The preparation of the active bacteria agent of this invention comprises: using L-calcii lactas and four useful micro-organisms of clostridium bytyricum, Lactobacillus casei, bacillus subtilis and saccharomycete as characteristic elements, cultured purely or mixedly by means of universal fermentator, producing active bacteria powder by freeze-drying, and acquiring the finished products by double crossing of the powder at a specific proportion. By using the anaerobic and aerobic characteristics of related bacterial strains, this agent has the following merits: playing the synergy effect in enhancing the disease resistance of marine animals and the water purification of aquaculture, substituting antibiotics fully or partly for the disease prevention and cure in fresh water aquiculture and mariculture, and improving the economic benefits of aquaculture. The L-calcii lactase component can accelerate the husking growth and prevent the disease of soft husk of shellfish marine animals like shrimp and crab. This agent is characterized of being nontoxic, free from side effects, nonpersistent, without secondary pollution and no drug tolerance, and will have a wide commercial application in the fresh water aquiculture mariculture.
Owner:江苏省苏微微生物研究有限公司

Method for controlling diaphorina citri and citrus greening diseases in citrus orchard

The invention discloses a method for controlling diaphorina citri and citrus greening diseases in a citrus orchard. The method includes: building windbreaks: windbreaks with at least 2-3 layers of trees are planted around the citrus orchard; diaphorina citri on diaphorina citri hosts within 2000m around the citrus orchard is controlled and killed, medicament which is used is conventional insecticide for killing the diaphorina citri, and the insecticide is conventionally sprayed at fixed period in the last ten-day period of February, the first ten-day period of May, the last ten-day period of August and the last ten-day period of November every year to kill the diaphorina citri; and the diaphorina citri in the citrus orchard is controlled and killed, the periods of diaphorina citri control of the citrus orchard are germination periods of shoots, the insecticide is sprayed at each shoot period, key control periods are the early summer shoot period and the early autumn shoot period, in the usual, the diaphorina citri is immediately controlled through insecticide spraying if found, the medicament which is used is the conventional insecticide for killing the diaphorina citri, and the insecticide is conventionally sprayed to kill the diaphorina citri. Through observation in about 5 years, a result shows that the effect of diaphorina citri control in the citrus orchard is stable, and the incidence of citrus greening diseases is low and can be controlled under 0.1%..
Owner:INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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